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About SIA Dimensions
Our Story

About SIA
Dimensions

Who We Are

Proudly South African.
Built on Integrity.

Sia Dimensions (Pty) Ltd is a 100% Black-Owned, BBBEE Level 1 engineering and support services company headquartered in Kuilsville, Danielskuil, Northern Cape. We specialise in Mining, Oil & Gas and Renewable Energy support services.

Building on our established Sasol vendor relationship, we are strategically positioning ourselves to support solar and renewable energy projects in the Northern Cape — the heart of South Africa's energy future — while continuing to deliver exceptional mining and industrial support to our valued clients.

BBBEE Level 1
100% Black Owned
Sasol Vendor
Northern Cape
Franklin Marvin Sia
Managing Director & Founder
Franklin founded Sia Dimensions with a clear vision — to build a world-class engineering and support company rooted in the Northern Cape, powered by local talent and committed to South Africa's industrial and energy future. With deep expertise in mechanical engineering and mining operations, Franklin leads the company's strategic expansion into renewable energy while maintaining excellence in mining and oil & gas support services.
Our Foundation

Values & Commitments

Safety First
No operation is worth compromising the health and safety of our people. We embed safety into every procedure, every site, every day.
Quality Delivery
We do not cut corners. Every contract is executed with precision, technical excellence and accountability to our clients and partners.
Integrity
We build long-term relationships on honest, transparent communication. Our word is our bond — with clients, suppliers and communities.
Sustainability
We embrace South Africa's energy transition, actively positioning our capabilities to support the renewable energy infrastructure of tomorrow.
Transformation
As a 100% Black-Owned, BBBEE Level 1 company, transformation is not a compliance exercise — it is fundamental to who we are and why we exist.
Partnership
We grow with our clients. By deeply understanding their operations, we become an extension of their teams — not just a contractor.
Our Journey

Company Milestones

Founded — Sia Dimensions (Pty) Ltd
Established in Kuilsville, Danielskuil, Northern Cape. 100% Black-Owned from day one, with a clear mandate to serve the mining and industrial sector.
BBBEE Level 1 Certification
Achieved and maintained BBBEE Level 1 Contributor status — the highest possible rating, reflecting our commitment to transformation.
Major Client Partnerships
Secured strategic relationships with Anglo American (Sishen & Kolomela), Sasol, Enaex, Petra Diamonds, Barloworld CAT, KP Lime, Dwala and SEPCO III.
Expanding Into Renewable Energy
Strategically positioning to support solar and renewable energy projects across the Northern Cape — the heart of South Africa's energy future.
Trusted By Industry Leaders
Anglo American
Sasol
Enaex Africa
Barloworld Equipment CAT
Petra Diamonds
KP Lime
Dwala
SEPCO III